252 lines
9.3 KiB
TypeScript
252 lines
9.3 KiB
TypeScript
'use client'
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import { useState, useEffect, useRef } from 'react'
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import { useSession } from 'next-auth/react'
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interface Danmaku {
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id: string
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content: string
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username: string
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createdAt: string
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}
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export default function DanmakuWidget() {
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const { data: session } = useSession()
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const [isOpen, setIsOpen] = useState(false)
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const [content, setContent] = useState('')
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const [danmakus, setDanmakus] = useState<Danmaku[]>([])
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const [sending, setSending] = useState(false)
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const messagesEndRef = useRef<HTMLDivElement>(null)
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const containerRef = useRef<HTMLDivElement>(null)
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// 滚动到底部
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const scrollToBottom = () => {
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messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' })
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}
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// 获取弹幕
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useEffect(() => {
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if (!isOpen) return
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const fetchDanmakus = async () => {
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try {
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const response = await fetch('/api/danmaku?limit=100')
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if (response.ok) {
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const data = await response.json()
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setDanmakus(data.reverse())
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setTimeout(scrollToBottom, 100)
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}
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} catch (error) {
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console.error('Failed to fetch danmakus:', error)
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}
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}
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fetchDanmakus()
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// 轮询新弹幕
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const interval = setInterval(async () => {
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try {
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const response = await fetch('/api/danmaku?limit=1')
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if (response.ok) {
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const data = await response.json()
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if (data.length > 0 && data[0].id !== danmakus[danmakus.length - 1]?.id) {
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setDanmakus(prev => [...prev, data[0]])
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setTimeout(scrollToBottom, 100)
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}
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}
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} catch (error) {
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console.error('Failed to poll danmakus:', error)
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}
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}, 2000)
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return () => clearInterval(interval)
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}, [isOpen])
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// 发送弹幕
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const handleSend = async () => {
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if (!content.trim() || sending) return
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setSending(true)
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try {
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const response = await fetch('/api/danmaku', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify({ content: content.trim() }),
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})
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if (response.ok) {
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const newDanmaku = await response.json()
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setDanmakus(prev => [...prev, newDanmaku])
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setContent('')
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setTimeout(scrollToBottom, 100)
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} else {
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const error = await response.json()
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alert(error.error || '发送失败')
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}
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} catch (error) {
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console.error('Send danmaku error:', error)
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alert('发送失败，请稍后重试')
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} finally {
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setSending(false)
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}
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}
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// 点击外部关闭
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useEffect(() => {
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const handleClickOutside = (event: MouseEvent) => {
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if (containerRef.current && !containerRef.current.contains(event.target as Node)) {
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setIsOpen(false)
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}
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}
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if (isOpen) {
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document.addEventListener('mousedown', handleClickOutside)
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}
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return () => {
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document.removeEventListener('mousedown', handleClickOutside)
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}
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}, [isOpen])
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if (!session) return null
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return (
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<div ref={containerRef} className="fixed bottom-6 right-6 z-50">
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{/* 弹幕对话框 */}
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{isOpen && (
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<div className="absolute bottom-16 right-0 w-96 bg-white dark:bg-gray-800 rounded-xl shadow-2xl border border-gray-200 dark:border-gray-700 overflow-hidden">
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{/* 头部 */}
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<div className="px-4 py-3 bg-gradient-to-r from-blue-500 to-purple-500 text-white">
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<div className="flex items-center justify-between">
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<h3 className="font-semibold text-lg flex items-center gap-2">
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<svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z" />
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</svg>
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全站弹幕（匿名）
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</h3>
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<button
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onClick={() => setIsOpen(false)}
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className="hover:bg-white/20 rounded-full p-1 transition-colors"
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>
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<svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
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</svg>
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</button>
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</div>
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</div>
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{/* 弹幕列表 */}
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<div className="h-96 overflow-y-auto p-4 space-y-3 bg-gray-50 dark:bg-gray-900">
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{danmakus.length === 0 ? (
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<div className="text-center py-12 text-gray-500 dark:text-gray-400">
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<svg className="w-16 h-16 mx-auto mb-4 opacity-50" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z" />
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</svg>
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<p>暂无弹幕，快来发送第一条吧！</p>
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</div>
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) : (
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danmakus.map((danmaku) => (
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<div
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key={danmaku.id}
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className="flex gap-3 animate-fade-in"
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>
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<div className="flex-shrink-0 w-8 h-8 rounded-full bg-gradient-to-br from-blue-400 to-purple-400 flex items-center justify-center text-white font-semibold text-sm">
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{danmaku.username.charAt(0).toUpperCase()}
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</div>
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<div className="flex-1 min-w-0">
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<div className="flex items-center gap-2 mb-1">
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<span className="font-medium text-gray-900 dark:text-white text-sm">
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{danmaku.username}
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</span>
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<span className="text-xs text-gray-500 dark:text-gray-400">
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{new Date(danmaku.createdAt).toLocaleTimeString('zh-CN', {
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hour: '2-digit',
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minute: '2-digit'
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})}
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</span>
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</div>
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<p className="text-gray-700 dark:text-gray-300 text-sm break-words">
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{danmaku.content}
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</p>
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</div>
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</div>
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))
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)}
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<div ref={messagesEndRef} />
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</div>
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{/* 输入框 */}
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<div className="p-4 bg-white dark:bg-gray-800 border-t border-gray-200 dark:border-gray-700">
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<div className="flex gap-2">
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<input
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type="text"
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value={content}
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onChange={(e) => setContent(e.target.value)}
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onKeyPress={(e) => {
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if (e.key === 'Enter' && !sending) {
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handleSend()
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}
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}}
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placeholder="匿名发送弹幕..."
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className="flex-1 px-3 py-2 border border-gray-300 dark:border-gray-600 dark:bg-gray-700 dark:text-white rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent outline-none text-sm"
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maxLength={100}
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disabled={sending}
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/>
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<button
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onClick={handleSend}
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disabled={!content.trim() || sending}
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className="px-4 py-2 bg-gradient-to-r from-blue-500 to-purple-500 text-white rounded-lg hover:from-blue-600 hover:to-purple-600 transition-all disabled:opacity-50 disabled:cursor-not-allowed font-medium text-sm"
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>
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{sending ? '发送中...' : '发送'}
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</button>
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</div>
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<p className="text-xs text-gray-500 dark:text-gray-400 mt-2">
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{content.length}/100 · 按Enter快速发送 · 匿名发送，保护隐私
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</p>
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</div>
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</div>
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)}
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{/* 悬浮按钮 */}
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<button
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onClick={() => setIsOpen(!isOpen)}
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className={`w-14 h-14 rounded-full shadow-lg hover:shadow-xl transition-all transform hover:scale-110 ${
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isOpen
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? 'bg-gray-600 hover:bg-gray-700'
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: 'bg-gradient-to-r from-blue-500 to-purple-500 hover:from-blue-600 hover:to-purple-600'
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} text-white flex items-center justify-center`}
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>
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{isOpen ? (
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<svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
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</svg>
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) : (
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<svg className="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z" />
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</svg>
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)}
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</button>
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<style jsx>{`
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@keyframes fade-in {
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from {
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opacity: 0;
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transform: translateY(10px);
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}
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to {
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opacity: 1;
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transform: translateY(0);
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}
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}
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.animate-fade-in {
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animation: fade-in 0.3s ease-out;
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}
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`}</style>
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</div>
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)
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}
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